Heterocyclic Compounds
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ChemInform Abstract: Stereochemical Features of Oxidative Mannich Cyclizations of Vinyl- and Allylsilane-Containing α-Silylamines and -amides.
First published: April 30, 1996
Abstract
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ChemInform Abstract
The stereochemical features of the Ce(IV) oxidation reactions of silylated amine derivatives derived from L-alanine are investigated. Though, the Mannich cyclization of (I) results in low enantioselectivity, whereas (IV) and (VII) provide a stereocontrolled formation of the hydropyridines (V) and (VIII).
